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參數(shù)資料
| 型號(hào)： | LU82541ER |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 82541ER Gigabit Ethernet Controller |
| 中文描述： | 1 CHANNEL(S), 1000M bps, LOCAL AREA NETWORK CONTROLLER, PBGA196 |
| 封裝： | 15 X 15 MM, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-196 |
| 文件頁數(shù)： | 37/48頁 |
| 文件大小： | 284K |
| 代理商： | LU82541ER |
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82541ER Gigabit Ethernet Controller
Datasheet
31
5.2
Thermal Specifications
The 82541ER device is specified for operation when the ambient temperature (T
A
) is within the
range of 0
°
C to 70
°
C.
T
C
(case temperature) is calculated using the equation:
T
C
= T
A
+ P (
θ
JA
-
θ
JC
)
TJ (junction temperature) is calculated using the equation:
T
J
= T
A
+ P
θ
JA
P (power consumption) is calculated by using the typical I
CC
and nominal V
CC
. The preliminary
thermal resistances are shown in
Table 24
.
Thermal resistances are determined empirically with test devices mounted on standard thermal test
boards. Real system designs may have different characteristics due to board thickness, arrangement
of ground planes, and proximity of other components. The case temperature measurements should
be used to assure that the 82541ER device is operating under recommended conditions.
Table 24. Thermal Characteristics
Symbol
Parameter
Preliminary Value at specified
airflow (m/s)
Units
0
1
2
θ
JA
θ
JC
Thermal resistance, junction-to-ambient
29
25.0
23.5
C/Watt
Thermal resistance, junction-to-case
11.1
11.1
11.1
C/Watt
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